package com.hzncc.kevin.robot_ir.utils;

import android.content.Context;
import android.util.TypedValue;

/**
 * ChaYin
 * Created by 蔡雨峰 on 2017/9/15.
 */

public class DisplayUtil {
    /**
     * convert px to its equivalent dp
     * <p>
     * 将px转换为与之相等的dp
     */
    public static int px2dp(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }


    /**
     * convert dp to its equivalent px
     * <p>
     * 将dp转换为与之相等的px
     */
    public static int dp2px(Context context, float dipValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dipValue * scale + 0.5f);
    }


    /**
     * convert px to its equivalent sp
     * <p>
     * 将px转换为sp
     */
    public static int px2sp(Context context, float pxValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (pxValue / fontScale + 0.5f);
    }


    /**
     * convert sp to its equivalent px
     * <p>
     * 将sp转换为px
     */
    public static int sp2px(Context context, float spValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (spValue * fontScale + 0.5f);
    }

    /**
     * convert dp to its equivalent px
     */
    public static int dp2px(Context context, int dp) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
                context.getResources().getDisplayMetrics());
    }

    /**
     * convert sp to its equivalent px
     */
    public static int sp2px(Context context, int sp) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp,
                context.getResources().getDisplayMetrics());
    }
}
